19760878000

素因数分解:

$2^4\times 5^3\times {\mathrm{419}}^1\times {\mathrm{23581}}^1$

素因数の和:24023

約数の個数: 80

約数和(自身を含む): 47897871840

約数和(自身を除く): 28136993840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 419, 500, 838, 1000, 1676, 2000, 2095, 3352, 4190, 6704, 8380, 10475, 16760, 20950, 23581, 33520, 41900, 47162, 52375, 83800, 94324, 104750, 117905, 167600, 188648, 209500, 235810, 377296, 419000, 471620, 589525, 838000, 943240, 1179050, 1886480, 2358100, 2947625, 4716200, 5895250, 9432400, 9880439, 11790500, 19760878, 23581000, 39521756, 47162000, 49402195, 79043512, 98804390, 158087024, 197608780, 247010975, 395217560, 494021950, 790435120, 988043900, 1235054875, 1976087800, 2470109750, 3952175600, 4940219500, 9880439000, 19760878000]

約数ペア:

[(1, 19760878000), (2, 9880439000), (4, 4940219500), (5, 3952175600), (8, 2470109750), (10, 1976087800), (16, 1235054875), (20, 988043900), (25, 790435120), (40, 494021950), (50, 395217560), (80, 247010975), (100, 197608780), (125, 158087024), (200, 98804390), (250, 79043512), (400, 49402195), (419, 47162000), (500, 39521756), (838, 23581000), (1000, 19760878), (1676, 11790500), (2000, 9880439), (2095, 9432400), (3352, 5895250), (4190, 4716200), (6704, 2947625), (8380, 2358100), (10475, 1886480), (16760, 1179050), (20950, 943240), (23581, 838000), (33520, 589525), (41900, 471620), (47162, 419000), (52375, 377296), (83800, 235810), (94324, 209500), (104750, 188648), (117905, 167600)]